Problem A
nnnnn — Problem Statistics

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Submissions	3361
Accepted submissions	405
Submission ratio	12.05%
Authors	425
Full solves [?]	190
Full solve Ratio	44.71%

#	User	Runtime	Language	Date
1	Paul Jungeblut	0.01 s	C	2016-06-28 21:31:28
2	Christian Lindeström	0.01 s	C	2016-09-10 17:17:07
3	Ivan Petrov	0.02 s	C	2019-08-20 12:32:56
4	Bergur Snorrason	0.02 s	C	2023-03-16 13:29:36
5	Joey Pabalan	0.04 s	C	2025-05-22 05:05:10

#	User	Runtime	Language	Date
1	Jasmin Baniya	0.14 s	C#	2020-04-26 00:06:36

#	User	Runtime	Language	Date
1	Per Persson	0.01 s	C++	2016-06-22 15:09:02
2	Yung-Luen Lan	0.01 s	C++	2016-07-23 16:53:35
3	Lin Lee	0.01 s	C++	2016-11-13 08:00:20
4	Clarence Chew	0.01 s	C++	2017-05-13 12:59:19
5	Muhammad Irham Rasyidi	0.01 s	C++	2017-06-20 13:35:39
6	Johan Sannemo	0.01 s	C++	2017-09-09 11:16:19
7	Josenildo Silva	0.01 s	C++	2018-02-24 01:33:23
8	Shirui Chen	0.01 s	C++	2018-10-18 04:40:05
9	Robert Mellberg	0.01 s	C++	2018-12-07 19:18:53
10	Addula Srikrishna Reddy	0.01 s	C++	2019-03-06 22:44:57

#	User	Runtime	Language	Date
1	Paul Wild	0.47 s	Haskell	2018-05-16 16:31:46
2	Jannik Olbrich	0.56 s	Haskell	2019-06-21 16:34:39
3	Oisin Carroll	0.58 s	Haskell	2017-10-27 01:34:35
4	Qi Ji	0.61 s	Haskell	2018-07-07 19:25:31
5	Muhammad Rais Fathin Mudzakir	0.61 s	Haskell	2019-09-01 15:58:01
6	Joakim Blikstad	0.63 s	Haskell	2017-01-13 22:56:57
7	Daniel Allendorf	0.63 s	Haskell	2018-03-24 15:35:11
8	Lukas Lundmark	0.67 s	Haskell	2017-10-04 08:21:36
9	David Wärn	0.69 s	Haskell	2021-04-12 23:28:20

#	User	Runtime	Language	Date
1	Alex Coleman	0.13 s	Java	2018-11-01 21:27:28
2	Wu Zhen Rong	0.14 s	Java	2018-07-10 12:13:13
3	David Brink	0.16 s	Java	2017-05-01 15:44:07
4	Jonathan Easterday	0.19 s	Java	2017-03-28 01:49:01
5	Yang Li	0.20 s	Java	2018-06-12 05:51:11
6	Anders Schack-Mulligen	0.25 s	Java	2018-12-13 00:53:53
7	Richard Sivak	0.26 s	Java	2018-10-17 13:39:45
8	Hidden user	0.26 s	Java	2023-03-15 23:11:14
9	Nathan Collins	0.27 s	Java	2018-03-10 19:54:21
10	Finn Lidbetter	0.30 s	Java	2016-07-13 19:19:28

#	User	Runtime	Language	Date
1	Lars Lindgren	0.08 s	Python 2	2016-09-22 22:34:21
2	Sigurður Jens Albertsson	0.13 s	Python 2	2017-11-28 10:28:40
3	Vishnu Raveendran	0.20 s	Python 2	2016-09-22 01:16:48
4	Hidden user	0.21 s	Python 2	2016-06-12 09:34:13
5	Andreas Björklund	0.31 s	Python 2	2019-04-10 05:03:19
6	Raymond van Venetie	0.54 s	Python 2	2019-05-17 08:43:31
7	Måns Magnusson	0.62 s	Python 2	2017-10-20 09:45:43
8	Jonatan Nilsson	0.67 s	Python 2	2018-05-08 07:17:33
9	Hidden user	0.75 s	Python 2	2017-06-17 03:02:05
10	Jee Kai Yen	0.75 s	Python 2	2017-07-30 08:09:06

#	User	Runtime	Language	Date
1	Tyge Tiessen	0.04 s	Python 3	2019-04-03 19:24:51
2	Hidden user	0.06 s	Python 3	2018-12-06 21:30:54
3	George-Alexandru Uzunov	0.06 s	Python 3	2025-11-30 13:55:09
4	Paul Tan	0.09 s	Python 3	2018-03-08 06:17:35
5	GBe	0.12 s	Python 3	2021-11-20 11:02:50
6	Tala Ahmadie	0.16 s	Python 3	2025-03-02 07:52:09
7	Abraham Michan Laniado	0.16 s	Python 3	2025-10-27 19:24:19
8	Nicholas Russell Saerang	0.17 s	Python 3	2023-10-18 05:19:27
9	Aditya Mourya Tatineni	0.17 s	Python 3	2023-11-07 01:46:27
10	DEVARA NAIDU (RA2211011010019)	0.17 s	Python 3	2023-11-07 12:24:51

#	User	Runtime	Language	Date
1	Yung-Luen Lan	0.19 s	Ruby	2016-07-23 15:20:00
2	Hidden user	0.63 s	Ruby	2017-10-24 16:48:21
3	Miorel Palii	0.82 s	Ruby	2018-02-21 06:27:19

#	User	Runtime	Language	Date
1	Lin Lee	0.01 s	Rust	2019-07-27 08:46:50

#	User	Length	Language	Date
1	Joey Pabalan	199	C	2025-05-22 06:36:31
2	Christian Lindeström	750	C	2016-09-10 17:17:07
3	Ivan Petrov	1017	C	2019-08-20 12:32:56
4	Bergur Snorrason	1817	C	2021-10-15 15:30:01
5	Paul Jungeblut	2805	C	2016-06-28 22:27:30

#	User	Length	Language	Date
1	Jasmin Baniya	3864	C#	2020-04-26 00:06:36

#	User	Length	Language	Date
1	Joey Pabalan	200	C++	2025-05-22 06:41:13
2	Tran Tuong Minh Nguyen	608	C++	2019-07-17 05:40:44
3	Josenildo Silva	627	C++	2018-02-24 01:33:23
4	Jeremy Lim	628	C++	2024-01-26 19:41:45
5	Ethan Guo	671	C++	2018-12-27 04:12:09
6	Antonio Molina Lovett	679	C++	2016-06-15 01:46:09
7	Cheng Xiao	715	C++	2018-12-26 05:59:49
8	Hidden user	723	C++	2021-04-07 16:04:43
9	Shirui Chen	725	C++	2018-10-18 04:40:05
10	Addula Srikrishna Reddy	725	C++	2019-03-06 22:44:57

#	User	Length	Language	Date
1	Joakim Blikstad	244	Haskell	2017-01-13 22:59:57
2	Jannik Olbrich	312	Haskell	2019-06-21 16:34:39
3	Daniel Allendorf	457	Haskell	2018-03-24 15:35:11
4	David Wärn	473	Haskell	2021-04-12 23:28:20
5	Paul Wild	493	Haskell	2018-05-16 16:31:46
6	Qi Ji	543	Haskell	2018-07-07 19:25:31
7	Muhammad Rais Fathin Mudzakir	723	Haskell	2019-09-01 15:58:01
8	Oisin Carroll	1082	Haskell	2017-10-27 01:44:44
9	Lukas Lundmark	1971	Haskell	2017-10-04 08:45:05

#	User	Length	Language	Date
1	Rf Schmiermann	1038	Java	2019-09-10 12:48:20
2	Alex Coleman	1176	Java	2018-10-14 02:53:39
3	Richard Sivak	1387	Java	2018-10-17 13:39:45
4	Hidden user	1422	Java	2019-08-21 06:18:02
5	Harokou Jishou	1614	Java	2024-08-05 13:06:06
6	Sam Reinehr	1649	Java	2017-10-14 02:56:25
7	Hunter Mullen	1714	Java	2025-03-02 21:55:48
8	Nathan Collins	1756	Java	2018-03-10 19:54:21
9	Paul Boddington	1762	Java	2020-07-25 22:14:44
10	武晓飞	1898	Java	2022-09-07 18:46:34

#	User	Length	Language	Date
1	Hidden user	334	Python 2	2016-06-12 09:34:13
2	Jee Kai Yen	411	Python 2	2017-07-30 08:09:06
3	Hidden user	487	Python 2	2017-06-17 03:02:05
4	Vishnu Raveendran	862	Python 2	2016-09-22 01:44:44
5	Lars Lindgren	894	Python 2	2016-09-21 15:13:37
6	Andreas Björklund	964	Python 2	2019-04-10 05:03:19
7	Måns Magnusson	1003	Python 2	2017-10-20 09:45:43
8	Jonatan Nilsson	1082	Python 2	2018-05-08 07:17:33
9	Raymond van Venetie	1488	Python 2	2019-05-17 08:38:23
10	Sigurður Jens Albertsson	1537	Python 2	2017-11-28 10:28:40

#	User	Length	Language	Date
1	Bjørn Dons	218	Python 3	2023-11-24 21:46:43
2	Tyge Tiessen	269	Python 3	2019-04-03 19:39:52
3	Jeremy Lim	270	Python 3	2023-12-16 14:55:47
4	Dilawar Mahmood	317	Python 3	2018-11-11 22:40:27
5	M. Opat	327	Python 3	2023-11-13 15:50:48
6	Hrant Hovhannisyan	327	Python 3	2025-05-20 09:33:15
7	Hidden user	352	Python 3	2016-06-12 09:33:48
8	George-Alexandru Uzunov	358	Python 3	2025-11-30 14:07:45
9	Robert Morelli	442	Python 3	2025-11-21 23:57:23
10	Hidden user	451	Python 3	2021-04-07 16:07:02

#	User	Length	Language	Date
1	Miorel Palii	377	Ruby	2018-02-21 06:27:19
2	Yung-Luen Lan	471	Ruby	2016-07-23 13:23:56
3	Hidden user	486	Ruby	2017-10-24 16:48:21

#	User	Length	Language	Date
1	Lin Lee	1953	Rust	2019-07-27 08:46:50

Solution running time distribution